JSFiddle - React, Tailwind, and code Playground

JavaScript

var data=
[
{
 "load":[1,2,3],
"network":[5,6,7]
},
{
"load":[10,11,12],
 "network":[14,15,16]
  }
 ]

function avg(i)
{
    for(j in data[i])
    {
        sum=0;
        for(k=0;k<data[i][j].length;k++)
        {
            sum+=data[i][j][k];
        }
        average=sum/3;
        
        console.log("value "+i+":"+average);
    }
}

avg(0)